120142040320135 has 4 divisors (see below), whose sum is σ = 144170448384168. Its totient is φ = 96113632256104.

The previous prime is 120142040320117. The next prime is 120142040320193. The reversal of 120142040320135 is 531023040241021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120142040320135 - 2¹⁷ = 120142040189063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12014204032009 + ... + 12014204032018.

It is an arithmetic number, because the mean of its divisors is an integer number (36042612096042).

Almost surely, 2^{120142040320135} is an apocalyptic number.

120142040320135 is a deficient number, since it is larger than the sum of its proper divisors (24028408064033).

120142040320135 is an equidigital number, since it uses as much as digits as its factorization.

120142040320135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24028408064032.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 120142040320135 its reverse (531023040241021), we get a palindrome (651165080561156).

The spelling of 120142040320135 in words is "one hundred twenty trillion, one hundred forty-two billion, forty million, three hundred twenty thousand, one hundred thirty-five".